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-   -   Boxster on dyno (http://986forum.com/forums/video-center/8687-boxster-dyno.html)

David_J 12-19-2006 10:18 PM

Boxster on dyno
 
Here's a short video of my car on the dyno this past weekend. I was suprised by the power I am getting with only a custom exhaust mod. I'm looking forward to the intake and GIAC mod hopefully coming for Christmas. :)

239.87 HP at the wheels.

http://www.emeraldcitycustoms.com/videos/david_dyno.wmv

-David

David N. 12-20-2006 12:02 AM

Nice! Too bad you captured sound on the wrong side;) Can you post the charts?

-David

Takis 12-20-2006 02:20 AM

David
Nice numbers ...Congrats
Can you give us some more informations , about this exhaust !
Its only the mufflers , or complete system with headers etc ?

dcporsche99 12-20-2006 06:15 AM

Very cool video! Numbers look really good! I would have to reiterate Takis' question on the mods. Which ones did you have installed? Could you show us some pics? I may have missed it if you already posted it elsewhere. If this was the case, could you direct me to a link(s)?

Thanks.

JP-s-in st. louis 12-20-2006 07:22 AM

Post some pics of your exhaust. It is a real cool idea that your guy fabed up and it should be the way the car was stock.

BTW I will need his contact info.

David_J 12-20-2006 08:46 AM

Here's a picture of the exhaust

http://www.emeraldcitycustoms.com/images/PC166494.jpg

It's a single Magnaflow muffler connected directly to the factory headers. So it's the same as buying the cat-bypas pipes and an aftermarket muffler for less than half the price. I could not be happier with the HP gains and the sound coming out of it.

I would have recording the video from the back end, but I wanted to be able to see the numbers when I zoomed in. I will try to get some good sounds clips over the next week or so.

Josh, I will hook you up with the guys info. He is about 2 miles away from my house.

Those scratches on the bumper are from one on my spins at an autocross event. Spun out and nailed a cone. Man, those cones can do some damage. You should see the dent on the side of my car from a cone. :eek:

-David

JP-s-in st. louis 12-20-2006 08:55 AM

Sure you p-Shop out your lic plate but on 6speed you keep mine up?????

Some guys!

David_J 12-20-2006 09:01 AM

You must be crazy, I did the same on yours. :)

Ok, I guess I was tired when I posted the pictures last night. It's been fixed now.
:cheers:

JP-s-in st. louis 12-20-2006 11:04 AM

Thanks David...

jwilson95 12-20-2006 11:37 AM

David J

What is the total cost and the approximate weight savings?

Jeff :)

blinkwatt 12-20-2006 11:38 AM

@ David,

That's pretty neat,I didn't know they built it from the headers back.

David_J 12-20-2006 02:44 PM

I spent $680 before tax on the entire exhaust including labor. I'm not sure of the exact weight loss, but it's a lot. Going from the stock heavy muffler and 2nd cats to a small single muffler with the pipes has got to be a lot for a mod like this.

This past weekend Josh and I discovered a small different between his 2000 S and my 2001 S. His 2nd cats have an O2 sensor after the cat, when mine did not. Mine only has an O2 sensor before the 1st cat, and then one right after it, all on the header. Everything I did to the exhaust was after all O2 sensors.

-David

bmussatti 12-20-2006 04:57 PM

David_J, how much do they charge for a dyno-run? Thanks.

David_J 12-20-2006 05:02 PM

3 runs cost $100. Another place around here charges $145 for 6 runs.

JP-s-in st. louis 12-20-2006 05:06 PM

what kind of dyno is the other and who has it?

David_J 12-20-2006 05:30 PM

They have both a Mustang and a DynoJet. I will PM you the info.

-David

eslai 12-20-2006 07:53 PM

Quote:

Originally Posted by David_J
I spent $680 before tax on the entire exhaust including labor. I'm not sure of the exact weight loss, but it's a lot. Going from the stock heavy muffler and 2nd cats to a small single muffler with the pipes has got to be a lot for a mod like this.

If the weight savings interest you, you should also maybe be interested in learning about how this has affected your weight distribution, eh? Wonder if the car handles any differently now.

David_J 12-20-2006 08:32 PM

I'm sure it changed it a little, but nothing that I can tell. It should be no different than when I pull the spare tire out up front for an autocross event. When I put in new seats, that will also reduce weight and change the distribution.

I guess there are many things that can change the weight distribution, but that is fine. If you calculate how much 20-30lbs changes it, it's not much.

-David

eslai 12-21-2006 09:40 AM

That's pretty much what I was getting at. :) People like to ask about weight savings and all that stuff, but if it's not a change along the lines of 100 pounds or more, the weight savings are pretty unnoticeable.

David_J 12-21-2006 01:38 PM

The weight loss from the exhaust makes up for what I've gained this year by eating too much. :)


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